Author Topic: '70 Mini - Rust repairs to Daily Driver (hopefully)  (Read 5879 times)

Offline Bahowe1

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #100 on: November 21, 2017, 11:56:14 AM »
Hey fellas!  So it's been a couple weekends of trips and no mini work... but... in the first picture the car is actually running!!  After getting oil pressure, it cranked and ran smooth on the second try!  I rebuilt it almost two years ago and was advised to never turn it over until I am ready to run it, but instead wipe down cylinder walls and such with oil during the rebuild and just leave it.  Worked out great!!
Then I got the clutch and brakes bled back out and immediately took the family for a ride in the neighborhood!  Obviously, taking it very easy.  No windows, doors, etc and about 50 degrees out.  Eyes start watering in a hurry.  I think the first thing the neighbors saw was my teeth!
Since then, I started working the front end sheet metal.  The goal is to make it a removable front end by only taking out a few bolts (probably 4-6), the side seem strip, and the flares.  The hood will still function and that is the main access.  I want it removable in the case of doing engine work or tranny work in the future (hopefully, very very distant future). 
I've taken several test drives and I had forgotten how fun, and nimble it is.  It revs up and back down so quick.  I haven't gotten a chance to test out the LSD I put in it, because I plan to take it easy for the first 500 miles.
So... current status... finish the front end work, cut and flare a bit more for the fenders.  Get 500 miles on it while making all the other modifications (AC - hopefully, battery box mods, 3rd brake light, etc)
Then take it all back apart.

Offline MiniDave

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #101 on: November 21, 2017, 12:02:41 PM »
How exciting to get it running and driving again!

Whose coilovers did you go with?

Do you have any pics of your engine steadies? I have to fix the ones on my buddies Pup and I'm looking for ideas....
« Last Edit: November 21, 2017, 12:20:36 PM by MiniDave »
1989 Cooper Racing Green
2009 Clubman S
1969 Jaguar XK-E FHC
2004 Audi Allroad 2.7 TT

Offline Bahowe1

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #102 on: November 27, 2017, 06:23:24 AM »
Dave,
I snagged some pictures of the engine mounts... there are a total of 4.  I was only able to get decent pictures of the three, the two sides and the one in the front lower.  let me know if you need a shot of the 4th, and I can try a little harder (it's tight in that area).  I recently moved the 4th one to get more clearance for the shifter (I think it was an earlier design and not the best).  It was not welded to the frame, instead, it was like a bolted clamp that mounted to the subframe, then used a rubber bushing with a bolt through the tranny bell housing.  The right and left ones just use stock stuff, the lower front one is custom.  These are all the standard ones from minitec - it's a minitec frame (an old one though).

For the coilovers - I believe they are QA1.  They came with the frame - which was with the car, when I got it.  I think I once identified them and this is what I am recalling. 

Offline jedduh01

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #103 on: November 27, 2017, 02:20:47 PM »
Mowie wowwie! Looking good!

Keep up the hard work!


Offline MiniDave

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #104 on: November 27, 2017, 03:20:48 PM »
Yep, Don's Pup has the same rear steady and the clamp worked it's way loose, there is no way to tighten it again without removing the subframe.

I also don't like the single bolt front one and I'm going to engineer something better. We took those red mounts out and went back to stock Honda mounts, cut the vibes by half right there.

Thanks for the pics!
1989 Cooper Racing Green
2009 Clubman S
1969 Jaguar XK-E FHC
2004 Audi Allroad 2.7 TT

Offline Bahowe1

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #105 on: December 04, 2017, 06:32:48 AM »
Dave,
Does that Pup have AC?  I think this is going to be a big challenge for me.  I just purchased Sanden's smallest compressor and we will see where it can fit when it arrives this weekend. I'm looking for some information on which condenser people are using, and then the system in the cabin.  As we all know, space is tight!!  I am thinking I will have to mount the condenser in the back because once I put in my headlights and turn signal, there is basically no more room in front of the radiator.

On a fun-er note... I took 'er out on the real roads this weekend (out of the neighborhood).  Ended up seeing what felt like every cop in town (who I usually never see).  No doors, only a front windshield for glass, no hood, no boot lid (and no tag).  Not a single cop even flashed brake lights.  20 miles (of 500) down.  I did have the tag laying under the back seat.  Several folks asked me if it was legal... I have no idea.  Around here you can actually display a wrong tag on a classic car as long as you have the right one for it.  I figure as long as I had it, I could hopefully explain problems away.  Although it isn't safe at all, it was VERY fun driving it like that.   

Offline MiniDave

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #106 on: December 04, 2017, 06:58:03 AM »
It does have A/C, and it even works......occasionally.

I think his compressor is off a Suzuki Samurai...it's tiny, although you don't need a lot for such a small car. His condenser is mounted in the rear, under the bed - I think it's a very poor design as it's mounted flat - and even tho it has a fan blowing downward, it doesn't seem to me like a whole lot of air gets moved across it, plus it gets all that heat from the pavement blasting up on it, I also wonder if on the highway the movement of the air under the vehicle stalls the air blowing thru the core, cause above about 50 mph it really stops making cool. About the only time it's effective is in town driving, the other problem is that it makes the engine run really hot - why or how I have not figured out, since the heat is all back under the bed, not being loaded onto the cooing system. Just my thoughts and observations so far......

We had a local guy who built his own Vtec frame and so on and he was able to get a condenser in front of the radiator - don't know how he did it and he sold the car so I can't go look, but I will ask him about it when I see him next. His was originally an MPi car, but he had to use the radiator on the side just like others.

Don's compressor is mounted on the front, down low and required the grill to be modified - it stands out at the bottom a little on buttons, the alternator is around the back side of the engine, also down low. Some guys mount he alternator in the fender, turned around and put the compressor where the alt was, that gives more room in front and doesn't require the grill to be modified.
« Last Edit: December 04, 2017, 07:00:44 AM by MiniDave »
1989 Cooper Racing Green
2009 Clubman S
1969 Jaguar XK-E FHC
2004 Audi Allroad 2.7 TT

Offline Bahowe1

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #107 on: December 04, 2017, 04:17:28 PM »
Thanks Dave. It sounds like the current setup is the same. Thanks for the info about the rear condenser. Thanks, I'll let you know as I proceed how I go about it.
Something I found that you might want to check- there is a bolt that mounts the rear half of the upper arm that was touching the body of the alt (on mine). I ended up shaving half the head of the bolt down and it drastically reduced vibration.

Offline Bahowe1

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #108 on: December 06, 2017, 09:05:35 AM »
Dave, could you send a couple pictures of the grill modification that was done? 
Last night I received the compressor in the mail and took a look at fitting it up.  It's going to be really tight.  I think I know the position it has to be in, but I MAY have to make a little room in the back side of the grill (or use similar to what he has).  I will say... the compressor is tiny... but so is the spot.  I think my bracket will start from the two lower bolt holes near the oil pan (one has a screw sticking out of it).  But then the middle of the body of the compressor would be about where those 4 upper bolt holes are.  Maybe I will get to play with it this weekend.
Also, I am looking at the Hurricane inside unit made by Old Air.  Their inside unit is pricey... but, the dimensions are the best for what I need.  I would like to try and fit it all in the area where the old heater goes.  Most units are sort of spread out under the dash, but I would prefer a 'box' type design due to where I want my fuse blocks and relays.  This 'box' is 11.5 width, 8.5" depth, and 11" height.  It should go where I want it, but was wondering if anyone had personal experience with these units?  My goal is AC/heat/defrost.     

Offline jedduh01

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #109 on: December 06, 2017, 09:25:58 AM »
Tidy!

I'm sure you've handled it more but it looks liek the compressor will go  outward towards the pulleys more than the block mount points that are there. Hopefully giving clearance behind with the manifold and tucked in close enough for the nose...   but then the hoses are on the bottom . Ugh!@ goodluck
   

Offline SomethingNew71

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Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #110 on: December 06, 2017, 09:34:54 AM »
Ben what steps did you follow to paint the block? Was it raw metal when you painted it? I had the machine shop acid wash my motor last time I did work then repainted and its already starting to flake again. 

:-(

Offline MiniDave

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #111 on: December 06, 2017, 10:17:10 AM »
Yep, that's where Don's mounts - it may be a couple of days before I can get you pics of the grill mounting, Don's unavailable right now....

I'll see if any pics I have show the area, but instead of mounting direct to the body, there are some little clips that stand it out - just at the bottom. They just used some little Z clips made out of sheet metal - I made him some better ones but same idea.


Don's hoses go out the top of the compressor, and I had to make a steady bracket because the engine movement between the body and the car caused the hoses to vibrate loose at the compressor. Once that was done it quit leaking all the Freon out.....

Where did you get that header? I made one for Don's car by taking a cheap $50 Ebay SS header and modifying it - I had to take 5/8" out of the length where the pipes meet the flange and weld it all back again. Works a treat now tho but it was a bugger to put on in the car!

I did find a couple of pics that show how they did his.....
« Last Edit: December 06, 2017, 10:18:55 AM by MiniDave »
1989 Cooper Racing Green
2009 Clubman S
1969 Jaguar XK-E FHC
2004 Audi Allroad 2.7 TT

Offline Bahowe1

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #112 on: December 06, 2017, 01:25:11 PM »

Cole, yeah, it was raw metal. I forgot the name of the paint, but honestly, I hated it. While it is now adhered really well, it stayed gummy for weeks. It probably needed a really long cure time and thankfully it got it while the engine sat for a year. I brushed it on. If I'm not mistaken, it was POR15, but it acted very different than the black stuff. I will check when I get home... currently in flight to D.C. 

Jedduh, in the picture, I was just holding the compressor flat, but it is actually sort of upside down. The ports will be on top. Yeah, the bracket will have to extend out to the right past the mount holes. Thankfully, it is plenty short to where the manifold will give me no problem, the problem lies in lining up the pulleys, forces it into a position where it hits in the grill area of the front clip. I've got a bit of work to do.

Mini Dave, thanks for the pictures, all of them. When I was looking last night, I am thinking I will end up running the condenser in the back as well. His grill is the older style, so I guess I'll have to do some figuring to see what mine will look like. I am actually considering shaving a couple manufacturing dimples off the compressor to give me just enough room. We will see. 

Offline Bahowe1

Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #113 on: December 06, 2017, 01:32:01 PM »
Sorry, I missed a couple questions. Dave, I'm not sure about the header, it came with the car. I did high temp paint it though because it was ugly.

Cole, now that I think some more, I think when stuff comes back from acid, you still need to clean them really well. I think I used por15 degreaser and then windex to clean off residue from the wash. I do know reading reviews led me to brushing instead of spraying.


Offline SomethingNew71

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Re: '70 Mini - Rust repairs to Daily Driver (hopefully)
« Reply #114 on: December 06, 2017, 01:33:00 PM »
That's almost definitely where I messed up.  SIGH